Finding the Fourth Proportional to 8,995,381.02, 12,413,919.20 and 4,921,000.02
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Solution
The fourth proportional to 8,995,381.02, 12,413,919.20 and 4,921,000.02 is: 6,791,140.53
Step by Step Solution
- Step 1: Write the proportion equation
8,995,381.02 : 12,413,919.20 = 4,921,000.02 : x - Step 2: Convert to fraction form
8,995,381.02/12,413,919.20 = 4,921,000.02/x - Step 3: Cross multiply
8,995,381.02x = 12,413,919.20 × 4,921,000.02 - Step 4: Simplify right side
8,995,381.02x = 61,088,896,606,873.38 - Step 5: Solve for x
x = 61,088,896,606,873.38/8,995,381.02 - Step 6: Final answer
x = 6,791,140.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.